:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #737373;
  --line: #e5e5e5;
  --card: #fafafa;
  --code-bg: #f5f5f5;
  --accent: #0a0a0a;
  --accent-fg: #ffffff;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }
body {
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

.nav {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  font-size: 14px;
}
.nav-inner {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  text-decoration: none;
  color: var(--fg);
  font-weight: 500;
}
.brand .sep { color: var(--muted); }
.brand .muted { color: var(--muted); }
.links { display: flex; gap: 18px; align-items: center; }
.links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
}
.links a:hover { color: var(--fg); }
.links .cta {
  color: var(--fg);
  font-weight: 500;
}

.hero {
  padding: 80px 0 56px;
  border-bottom: 1px solid var(--line);
}
.hero .eyebrow {
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0 0 12px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 500;
}
.hero .lede {
  font-size: 18px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 600px;
  margin: 0 0 32px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  border: 1px solid var(--fg);
}
.btn-primary {
  background: var(--fg);
  color: var(--accent-fg);
}
.btn-primary:hover { background: #1a1a1a; }
.btn-secondary {
  background: transparent;
  color: var(--fg);
}
.btn-secondary:hover { background: var(--card); }

.section { padding: 56px 0; border-bottom: 1px solid var(--line); }
.section:last-of-type { border-bottom: 0; }
.section h2 {
  font-size: 24px;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  font-weight: 500;
}
.section h3 {
  font-size: 16px;
  margin: 24px 0 12px;
  font-weight: 600;
}
.section p { margin: 0 0 14px; }
.section ul, .section ol { margin: 0 0 14px; padding-left: 22px; }
.section li { margin-bottom: 6px; }

code {
  font-family: ui-monospace, SF Mono, Menlo, monospace;
  font-size: 13px;
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 3px;
}
.block {
  display: block;
  padding: 14px 16px;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow-x: auto;
  white-space: pre;
  margin: 0 0 14px;
  font-size: 13px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--card);
}
.card h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
}
.card p {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 10px;
}
.card code {
  display: block;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 4px;
  margin-bottom: 4px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.grid-2 h3 { font-size: 14px; margin: 0 0 8px; }
.grid-2 p { font-size: 14px; color: var(--muted); }
@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.kv {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 12px 0;
}
.kv th, .kv td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.kv th { font-weight: 500; color: var(--muted); }

.muted { color: var(--muted); }
.small { font-size: 12px; }

a { color: var(--fg); }
a:hover { text-decoration: underline; }

.footer {
  padding: 32px 0 56px;
}